/**
 * @author wz<br>
 * @version 1.0<br>
 * @ClassName SingletonPatternDemo
 * @<Description> TODO
 * @date 2021/12/8 9:38<br>
 */
public class SingletonPatternDemo {

  public static void main(String[] args) {
    //不合法的构造函数
    //编译时错误： 构造函数SingleObject()是不可见的
    //SingleObject object=new SingleObject();

    //获取唯一可用的对象
    SingleObject object = SingleObject.getInstance();

    //显示消息
    object.showMessage();
  }
}
